.TH "nvme_pmr_size" 9 "nvme_pmr_size" "November 2025" "libnvme API manual" LINUX
.SH NAME
nvme_pmr_size \- Calculate size of persistent memory region elasticity buffer
.SH SYNOPSIS
.B "__u64" nvme_pmr_size
.BI "(__u32 pmrebs "  ");"
.SH ARGUMENTS
.IP "pmrebs" 12
Value from controller register NVME_REG_PMREBS
.SH "RETURN"
size of controller persistent memory buffer in bytes
